Replace the 20 year old water heater. It's past its life span. They now make more energy effecient water heaters which will lower your utility bill. Put a blanket around the new water heater while you're at it.
A light period is a menstrual cycle that is shorter and/or lighter than a woman's regular period. Women should familiarize themselves with their menstrual cycle, how many pads or tampons they use, and how long their periods last to quickly detect any changes in their periods.
Possible Causes of Scanty Periods. Light period means that menstruation is either very scanty, or lasts just one-two days. Sometimes less bleeding during menses is passed genetically. In such a case you may find out that your relatives, for example, a mother or a sister, also have the same light blood flow in every cycle and it`s normal.